With almost 23 million residents, Mumbai, India, is the second largest city in the world. Rapid population growth in Mumbai is evident in this image from the International Space Station that shows several regions of the city with active land reclamation activities on its coasts, bays and hinterlands.
Maps of land surface type and temperature for Baltimore, Maryland, reveal the tight relationship between development and the urban heat island effect. Land temperatures in the densely developed city center are as much as 10 degrees Celsius higher than the surrounding forested landscape.